Subj : Southern Ontario Weather To : All From : Northern Realms Date : Sun Jul 17 2022 11:05:02 FPCN11 CWTO 171500 Forecasts for Southern Ontario and the National Capital Region issued by Environment Canada at 11:00 a.m. EDT Sunday 17 July 2022 for today and Monday. The next scheduled forecast will be issued at 3:30 p.m. EDT. City of Toronto. Today..A mix of sun and cloud. High 28. Humidex 31. UV index 9 or very high. Tonight..Increasing cloudiness early this evening. 70 percent chance of showers overnight with risk of a thunderstorm. Low 20. Monday..Mainly cloudy. 70 percent chance of showers in the morning and early in the afternoon with risk of a thunderstorm. High 27. Humidex 35. UV index 6 or high. City of Hamilton. Today..A mix of sun and cloud. High 27. Humidex 34. UV index 9 or very high. Tonight..Mainly cloudy with 30 percent chance of showers this evening and after midnight. Showers beginning overnight. Risk of a thunderstorm this evening and overnight. Low 18. Monday..Showers ending in the afternoon then mainly cloudy with 30 percent chance of showers. Risk of a thunderstorm in the morning and early in the afternoon. High 26. Humidex 34. UV index 7 or high. Niagara Falls - Welland - Southern Niagara Region. Today..A mix of sun and cloud. High 29. Humidex 34. UV index 9 or very high. Tonight..Mainly cloudy with 30 percent chance of showers this evening and after midnight. Showers beginning overnight. Risk of a thunderstorm this evening and overnight. Low 20. Monday..Showers ending in the afternoon then a mix of sun and cloud with 30 percent chance of showers. Risk of a thunderstorm in the morning and early in the afternoon. High 25. Humidex 33. UV index 7 or high. Kitchener - Cambridge - Region of Waterloo. Today..Mainly cloudy. High 27. Humidex 32. UV index 7 or high. Tonight..Becoming cloudy late this evening with 60 percent chance of showers overnight. Risk of a thunderstorm overnight. Low 18. Monday..Cloudy. 60 percent chance of showers in the morning with risk of a thunderstorm. High 27. Humidex 34. UV index 5 or moderate. London - Parkhill - Eastern Middlesex County. Today..Cloudy with 30 percent chance of showers and risk of a thunderstorm. High 25. Humidex 33. UV index 6 or high. Tonight..Cloudy. 30 percent chance of showers changing to 70 percent chance of showers this evening. Risk of a thunderstorm this evening and overnight. Low 18. Monday..Cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning. High 26. Humidex 34. UV index 5 or moderate. Windsor - Leamington - Essex County. Today..Cloudy with 40 percent chance of showers and risk of a thunderstorm. Wind becoming south 20 km/h this afternoon. High 25. Humidex 33. UV index 6 or high. Tonight..Cloudy with 70 percent chance of showers and risk of a thunderstorm. Wind south 20 km/h becoming light this evening. Low 19. Monday..Mainly cloudy. 70 percent chance of showers changing to 30 percent chance of showers near noon. Risk of a thunderstorm in the morning. High 29. Humidex 37. UV index 7 or high. Ottawa North - Kanata - Orleans. Today..A mix of sun and cloud. High 31. Humidex 35. UV index 8 or very high. Tonight..A few clouds. Increasing cloudiness near midnight. Low 18. Monday..Becoming cloudy in the morning with 70 percent chance of showers late in the morning and in the afternoon. Risk of a thunderstorm late in the morning and in the afternoon. Wind becoming northeast 20 km/h late in the afternoon. High 26. Humidex 33. UV index 5 or moderate. Ottawa South - Richmond - Metcalfe. Today..A mix of sun and cloud. High 31. Humidex 35. UV index 8 or very high. Tonight..A few clouds. Increasing cloudiness near midnight. Low 18. Monday..Becoming cloudy in the morning with 70 percent chance of showers late in the morning and in the afternoon. Risk of a thunderstorm late in the morning and in the afternoon. Wind becoming northeast 20 km/h late in the afternoon. High 25. Humidex 32. UV index 5 or moderate. This reproduction is a copy of the version available at: https://weather.gc.ca/forecast/public_bulletins_e.html?Bulletin=fpcn11.cwto --- * Origin: Northern Realms (21:3/110.3) .